Ancestors of today's octopus and squid, these tentacled giants 这些触须巨兽 是今天章鱼和鱿鱼的祖先

134. Here, trilobites are still in their prime,
     在这里 三叶虫仍处于巅峰状态
135. but their armor is even more robust...
     但它们装甲变得更加坚固
136. because on this reef, danger comes from a new type of predator.
     因为在这块礁石上 危险来自一种新的捕食者
137. Ancestors of today's octopus and squid, these tentacled giants
     这些触须巨兽 是今天章鱼和鱿鱼的祖先
138. are part of a dynasty known as the cephalopods.
     它们属于头足动物这个新王朝
139. The largest, with a shell eight meters long,
     最大的 壳长八米
140. are Cameroceras.
     这就是房♥角石

来自《我们星球上的生命 第一季 第二集 Life on Our Planet S01E02 第一前线》第 137 行